Vien Dien Tu Address: No 17 Hoang Sam, Nghia Do Ward, Cau Giay District, Ha Noi City Enterprise code: 0102009675 Phone: 069516233 Representative: Le Ky Bien Adress: Zoom 507, Tap The Bo GTGT, 201 Minh Khai, Hai Ba Trung District, Ha Noi City Nghia Do Ward, Cau Giay District, Ha Noi CityFounding date: 15 - 8 - 2006